Spring Steel

◆Industrial GradeDesigned for high resilience & fatigue resistance
◈Grade ComparisonEN42 and EN47 profiles
▦Technical DataComposition and mechanical properties
✓Application FocusSprings, suspension & high-stress solutions
Featured material

Spring Steel Product Showcase

Browse high-performance spring steel options suited for high elasticity, suspension, and heavy-duty applications.

Product Portfolio
Spring steel bars
Product Showcase

High-Grade Spring Steel Bars & Strips

High elasticity and strength steel options for leaf springs, flat springs, and coil springs.

EN42 and EN47 steel stock
Heavy Suspension

EN42 & EN47 Steel Flats & Rounds

Spring steel grades engineered for vehicle suspension, torsion bars, and heavy-duty springs.

Spring components
Precision Components

Steel for Clutch & Valve Springs

Explore material options for high fatigue resistance, valve springs, and precision automotive tooling.

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Steel Grades: EN42 & EN47

Review key chemical compositions and mechanical properties for featured spring steel grades.

Grade Portfolio
EN42 Spring Steel EN42 GRADE STEEL Spring Steel EN42

EN42 High Elasticity Spring Steel

A carbon spring steel providing high tensile strength and elasticity for flat and coil springs.

Tensile Strength1000–1200 MPa
Elongation10%
ElasticityHigh
Carbon (C)0.65–0.75%
Best for flat, coil & clutch springs View EN42 data →
EN47 Spring Steel EN47 GRADE STEEL Spring Steel EN47

EN47 High Fatigue Resistance Spring Steel

A chromium-vanadium silicon spring steel offering excellent fatigue endurance and toughness under heavy loading.

Tensile Strength900–1100 MPa
Hardness250–300 HB
Fatigue ResistanceExcellent
Silicon (Si)1.50–2.00%
Best for leaf springs & vehicle suspension View EN47 data →
Where it works

Area of Applications

Spring steel grades (EN42 & EN47) are used in high-stress, cyclical loading, and vehicle suspension components.

Application Areas
Leaf SpringsEN47

Leaf Springs

Heavy vehicle leaf springs designed for high load capacity and repeated flexing endurance.

Excellent Fatigue Endurance →
Flat SpringsEN42

Flat Springs

Precision flat spring components requiring high elasticity and dimensional recovery.

High Elasticity →
Coil SpringsEN42 / EN47

Coil Springs

Helical compression and tension springs operating under continuous mechanical strain.

High Tensile Resilience →
Vehicle SuspensionEN47

Vehicle Suspension

Automotive suspension systems ensuring shock absorption and ride stability.

Shock Absorption →
Valve SpringsEN42 / EN47

Valve Springs

Engine valve springs maintaining integrity under high-frequency thermal and mechanical cycles.

Cyclic Endurance →
Torsion BarsEN47

Torsion Bars

High-torque suspension torsion bars designed for energy storage and spring back.

High Torsional Toughness →
Heavy-Duty SpringsEN47

Heavy-Duty Springs

Industrial heavy machinery springs built to withstand extreme dynamic loads.

Maximum Durability →
Clutch SpringsEN42

Clutch Springs

Automotive clutch plate springs providing reliable torque transfer and pressure engagement.

Consistent Pressure Retention →
Material reference

Technical Data

Chemical composition and mechanical properties for Spring Steel (EN42 & EN47).

EN42 · Chemical Composition (Weight %)
ElementComposition range
Carbon (C)0.65–0.75%
Manganese (Mn)0.60–0.90%
Silicon (Si)0.10–0.35%
Chromium (Cr)0.20–0.40%
EN47 · Chemical Composition (Weight %)
ElementComposition range
Carbon (C)0.45–0.55%
Silicon (Si)1.50–2.00%
Chromium (Cr)0.80–1.20%
Manganese (Mn)0.50–0.80%
EN42 · Mechanical Properties
PropertyValue
Tensile Strength1000–1200 MPa
Elongation10%
ElasticityHigh
EN47 · Mechanical Properties
PropertyValue
Tensile Strength900–1100 MPa
Hardness250–300 HB
Fatigue ResistanceExcellent

Note: Values shown are reference ranges for presentation purposes and may vary by standard, supplier, product form and heat treatment. Confirm material certificates and applicable standards before purchase or production use.

Looking for the Right Spring Steel Grade?

Review the material data and match the grade to your spring, suspension, and high-stress component requirements.

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